Barangay Napo

Barangay Napo forms part of Magsingal, a municipality in Ilocos Sur, and is classified as a small barangay.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Napo had a population of 1,033. This made it the 9th largest of 30 barangays in Magsingal by population, placing it in the upper half of the municipality. Residents of Barangay Napo accounted for approximately 3.30% of the total population of Magsingal, which stood at 31,308 in the same census year.

The barangay recorded 1,007 residents in the 2015 intercensal count and 1,033 residents in the 2020 Census — a net change of +2.6%, consistent with a growing settlement. The Philippine Statistics Authority classifies Barangay Napo as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Magsingal is a municipality comprising 30 barangays, and serves as the governing unit directly responsible for local services in Barangay Napo, including public health, sanitation, peace and order, and civil registration. Within the wider province of Ilocos Sur, which contains 768 barangays across its component cities and municipalities, Barangay Napo ranks 236th by 2020 population. Ilocos Sur is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Like every Philippine barangay, Barangay Napo is led by an elected Punong Barangay (barangay captain) supported by seven Sangguniang Barangay members (kagawads), an SK Chairperson, a Barangay Secretary, and a Barangay Treasurer. The next Barangay and Sangguniang Kabataan Elections (BSKE) are scheduled for Monday, November 2, 2026, with officials serving four-year terms under Republic Act No. 12232.